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Commit | Line | Data |
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6fc6879b JM |
1 | /* |
2 | * WPA Supplicant - driver interaction with BSD net80211 layer | |
3 | * Copyright (c) 2004, Sam Leffler <sam@errno.com> | |
c5121837 | 4 | * Copyright (c) 2004, 2Wire, Inc |
6fc6879b | 5 | * |
d001defe JM |
6 | * This software may be distributed under the terms of the BSD license. |
7 | * See README for more details. | |
6fc6879b JM |
8 | */ |
9 | ||
10 | #include "includes.h" | |
11 | #include <sys/ioctl.h> | |
28878f8b | 12 | #include <sys/sysctl.h> |
6fc6879b JM |
13 | |
14 | #include "common.h" | |
15 | #include "driver.h" | |
16 | #include "eloop.h" | |
90973fb2 | 17 | #include "common/ieee802_11_defs.h" |
9f2951d2 | 18 | #include "common/wpa_common.h" |
6fc6879b JM |
19 | |
20 | #include <net/if.h> | |
5197244a | 21 | #include <net/if_media.h> |
898d6921 JR |
22 | |
23 | #ifdef __NetBSD__ | |
24 | #include <net/if_ether.h> | |
898d6921 | 25 | #else |
6fc6879b | 26 | #include <net/ethernet.h> |
898d6921 | 27 | #endif |
131289d8 | 28 | #include <net/route.h> |
6fc6879b | 29 | |
9b336bce MH |
30 | #ifdef __DragonFly__ |
31 | #include <netproto/802_11/ieee80211_ioctl.h> | |
32 | #include <netproto/802_11/ieee80211_dragonfly.h> | |
33 | #else /* __DragonFly__ */ | |
09bd6e8c KM |
34 | #ifdef __GLIBC__ |
35 | #include <netinet/ether.h> | |
36 | #endif /* __GLIBC__ */ | |
6fc6879b | 37 | #include <net80211/ieee80211.h> |
6fc6879b | 38 | #include <net80211/ieee80211_ioctl.h> |
c610dba1 | 39 | #include <net80211/ieee80211_crypto.h> |
09bd6e8c KM |
40 | #endif /* __DragonFly__ || __GLIBC__ */ |
41 | #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) | |
131289d8 MH |
42 | #include <net80211/ieee80211_freebsd.h> |
43 | #endif | |
44 | #if __NetBSD__ | |
45 | #include <net80211/ieee80211_netbsd.h> | |
46 | #endif | |
47 | ||
42f34a9b MH |
48 | #include "l2_packet/l2_packet.h" |
49 | ||
86b24ea9 MH |
50 | struct bsd_driver_data { |
51 | struct hostapd_data *hapd; /* back pointer */ | |
52 | ||
53 | int sock; /* open socket for 802.11 ioctls */ | |
54 | struct l2_packet_data *sock_xmit;/* raw packet xmit socket */ | |
55 | int route; /* routing socket for events */ | |
56 | char ifname[IFNAMSIZ+1]; /* interface name */ | |
57 | unsigned int ifindex; /* interface index */ | |
58 | void *ctx; | |
59 | struct wpa_driver_capa capa; /* driver capability */ | |
60 | int is_ap; /* Access point mode */ | |
61 | int prev_roaming; /* roaming state to restore on deinit */ | |
62 | int prev_privacy; /* privacy state to restore on deinit */ | |
63 | int prev_wpa; /* wpa state to restore on deinit */ | |
64 | }; | |
65 | ||
66d4085f RM |
66 | /* Generic functions for hostapd and wpa_supplicant */ |
67 | ||
68 | static int | |
0c6bdf91 | 69 | bsd_set80211(void *priv, int op, int val, const void *arg, int arg_len) |
66d4085f | 70 | { |
0c6bdf91 | 71 | struct bsd_driver_data *drv = priv; |
66d4085f RM |
72 | struct ieee80211req ireq; |
73 | ||
74 | os_memset(&ireq, 0, sizeof(ireq)); | |
0c6bdf91 | 75 | os_strlcpy(ireq.i_name, drv->ifname, sizeof(ireq.i_name)); |
66d4085f | 76 | ireq.i_type = op; |
0c6bdf91 | 77 | ireq.i_val = val; |
66d4085f | 78 | ireq.i_data = (void *) arg; |
0c6bdf91 | 79 | ireq.i_len = arg_len; |
66d4085f | 80 | |
0c6bdf91 MH |
81 | if (ioctl(drv->sock, SIOCS80211, &ireq) < 0) { |
82 | wpa_printf(MSG_ERROR, "ioctl[SIOCS80211, op=%u, val=%u, " | |
83 | "arg_len=%u]: %s", op, val, arg_len, | |
84 | strerror(errno)); | |
66d4085f RM |
85 | return -1; |
86 | } | |
87 | return 0; | |
88 | } | |
89 | ||
90 | static int | |
0c6bdf91 MH |
91 | bsd_get80211(void *priv, struct ieee80211req *ireq, int op, void *arg, |
92 | int arg_len) | |
66d4085f | 93 | { |
0c6bdf91 | 94 | struct bsd_driver_data *drv = priv; |
66d4085f | 95 | |
0c6bdf91 MH |
96 | os_memset(ireq, 0, sizeof(*ireq)); |
97 | os_strlcpy(ireq->i_name, drv->ifname, sizeof(ireq->i_name)); | |
98 | ireq->i_type = op; | |
99 | ireq->i_len = arg_len; | |
100 | ireq->i_data = arg; | |
66d4085f | 101 | |
0c6bdf91 MH |
102 | if (ioctl(drv->sock, SIOCG80211, ireq) < 0) { |
103 | wpa_printf(MSG_ERROR, "ioctl[SIOCS80211, op=%u, " | |
104 | "arg_len=%u]: %s", op, arg_len, strerror(errno)); | |
66d4085f RM |
105 | return -1; |
106 | } | |
0c6bdf91 | 107 | return 0; |
66d4085f RM |
108 | } |
109 | ||
110 | static int | |
0c6bdf91 | 111 | get80211var(struct bsd_driver_data *drv, int op, void *arg, int arg_len) |
66d4085f RM |
112 | { |
113 | struct ieee80211req ireq; | |
114 | ||
0c6bdf91 | 115 | if (bsd_get80211(drv, &ireq, op, arg, arg_len) < 0) |
66d4085f | 116 | return -1; |
0c6bdf91 | 117 | return ireq.i_len; |
e1b1309b MH |
118 | } |
119 | ||
120 | static int | |
121 | set80211var(struct bsd_driver_data *drv, int op, const void *arg, int arg_len) | |
66d4085f | 122 | { |
0c6bdf91 | 123 | return bsd_set80211(drv, op, 0, arg, arg_len); |
e1b1309b MH |
124 | } |
125 | ||
126 | static int | |
127 | set80211param(struct bsd_driver_data *drv, int op, int arg) | |
128 | { | |
0c6bdf91 | 129 | return bsd_set80211(drv, op, arg, NULL, 0); |
e1b1309b MH |
130 | } |
131 | ||
132 | static int | |
8709de1a | 133 | bsd_get_ssid(void *priv, u8 *ssid, int len) |
e1b1309b MH |
134 | { |
135 | struct bsd_driver_data *drv = priv; | |
66d4085f RM |
136 | #ifdef SIOCG80211NWID |
137 | struct ieee80211_nwid nwid; | |
138 | struct ifreq ifr; | |
139 | ||
140 | os_memset(&ifr, 0, sizeof(ifr)); | |
e1b1309b | 141 | os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name)); |
66d4085f | 142 | ifr.ifr_data = (void *)&nwid; |
e1b1309b | 143 | if (ioctl(drv->sock, SIOCG80211NWID, &ifr) < 0 || |
66d4085f RM |
144 | nwid.i_len > IEEE80211_NWID_LEN) |
145 | return -1; | |
146 | os_memcpy(ssid, nwid.i_nwid, nwid.i_len); | |
147 | return nwid.i_len; | |
148 | #else | |
e1b1309b | 149 | return get80211var(drv, IEEE80211_IOC_SSID, ssid, IEEE80211_NWID_LEN); |
66d4085f RM |
150 | #endif |
151 | } | |
152 | ||
153 | static int | |
8709de1a | 154 | bsd_set_ssid(void *priv, const u8 *ssid, int ssid_len) |
66d4085f | 155 | { |
e1b1309b | 156 | struct bsd_driver_data *drv = priv; |
66d4085f RM |
157 | #ifdef SIOCS80211NWID |
158 | struct ieee80211_nwid nwid; | |
159 | struct ifreq ifr; | |
160 | ||
161 | os_memcpy(nwid.i_nwid, ssid, ssid_len); | |
162 | nwid.i_len = ssid_len; | |
163 | os_memset(&ifr, 0, sizeof(ifr)); | |
e1b1309b | 164 | os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name)); |
66d4085f | 165 | ifr.ifr_data = (void *)&nwid; |
e1b1309b | 166 | return ioctl(drv->sock, SIOCS80211NWID, &ifr); |
66d4085f | 167 | #else |
e1b1309b | 168 | return set80211var(drv, IEEE80211_IOC_SSID, ssid, ssid_len); |
66d4085f RM |
169 | #endif |
170 | } | |
171 | ||
5197244a | 172 | static int |
e1b1309b | 173 | bsd_get_if_media(void *priv) |
5197244a | 174 | { |
e1b1309b | 175 | struct bsd_driver_data *drv = priv; |
5197244a MH |
176 | struct ifmediareq ifmr; |
177 | ||
178 | os_memset(&ifmr, 0, sizeof(ifmr)); | |
e1b1309b | 179 | os_strlcpy(ifmr.ifm_name, drv->ifname, sizeof(ifmr.ifm_name)); |
5197244a | 180 | |
e1b1309b | 181 | if (ioctl(drv->sock, SIOCGIFMEDIA, &ifmr) < 0) { |
5197244a MH |
182 | wpa_printf(MSG_ERROR, "%s: SIOCGIFMEDIA %s", __func__, |
183 | strerror(errno)); | |
184 | return -1; | |
185 | } | |
186 | ||
187 | return ifmr.ifm_current; | |
188 | } | |
189 | ||
190 | static int | |
e1b1309b | 191 | bsd_set_if_media(void *priv, int media) |
5197244a | 192 | { |
e1b1309b | 193 | struct bsd_driver_data *drv = priv; |
5197244a MH |
194 | struct ifreq ifr; |
195 | ||
196 | os_memset(&ifr, 0, sizeof(ifr)); | |
e1b1309b | 197 | os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name)); |
5197244a MH |
198 | ifr.ifr_media = media; |
199 | ||
e1b1309b | 200 | if (ioctl(drv->sock, SIOCSIFMEDIA, &ifr) < 0) { |
5197244a MH |
201 | wpa_printf(MSG_ERROR, "%s: SIOCSIFMEDIA %s", __func__, |
202 | strerror(errno)); | |
203 | return -1; | |
204 | } | |
205 | ||
206 | return 0; | |
207 | } | |
208 | ||
209 | static int | |
e1b1309b | 210 | bsd_set_mediaopt(void *priv, uint32_t mask, uint32_t mode) |
5197244a | 211 | { |
e1b1309b | 212 | int media = bsd_get_if_media(priv); |
5197244a MH |
213 | |
214 | if (media < 0) | |
215 | return -1; | |
216 | media &= ~mask; | |
217 | media |= mode; | |
e1b1309b | 218 | if (bsd_set_if_media(priv, media) < 0) |
5197244a MH |
219 | return -1; |
220 | return 0; | |
221 | } | |
222 | ||
cbdecd2b | 223 | static int |
e1b1309b | 224 | bsd_del_key(void *priv, const u8 *addr, int key_idx) |
cbdecd2b MH |
225 | { |
226 | struct ieee80211req_del_key wk; | |
227 | ||
228 | os_memset(&wk, 0, sizeof(wk)); | |
229 | if (addr == NULL) { | |
230 | wpa_printf(MSG_DEBUG, "%s: key_idx=%d", __func__, key_idx); | |
231 | wk.idk_keyix = key_idx; | |
232 | } else { | |
233 | wpa_printf(MSG_DEBUG, "%s: addr=" MACSTR, __func__, | |
234 | MAC2STR(addr)); | |
235 | os_memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN); | |
236 | wk.idk_keyix = (u_int8_t) IEEE80211_KEYIX_NONE; /* XXX */ | |
237 | } | |
238 | ||
e1b1309b | 239 | return set80211var(priv, IEEE80211_IOC_DELKEY, &wk, sizeof(wk)); |
cbdecd2b MH |
240 | } |
241 | ||
fa6b8afe | 242 | static int |
e1b1309b | 243 | bsd_send_mlme_param(void *priv, const u8 op, const u16 reason, const u8 *addr) |
fa6b8afe MH |
244 | { |
245 | struct ieee80211req_mlme mlme; | |
246 | ||
247 | os_memset(&mlme, 0, sizeof(mlme)); | |
248 | mlme.im_op = op; | |
249 | mlme.im_reason = reason; | |
250 | os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN); | |
e1b1309b | 251 | return set80211var(priv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme)); |
fa6b8afe MH |
252 | } |
253 | ||
60bc3033 | 254 | static int |
e1b1309b | 255 | bsd_ctrl_iface(void *priv, int enable) |
60bc3033 | 256 | { |
e1b1309b | 257 | struct bsd_driver_data *drv = priv; |
60bc3033 MH |
258 | struct ifreq ifr; |
259 | ||
260 | os_memset(&ifr, 0, sizeof(ifr)); | |
e1b1309b | 261 | os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name)); |
60bc3033 | 262 | |
e1b1309b | 263 | if (ioctl(drv->sock, SIOCGIFFLAGS, &ifr) < 0) { |
60bc3033 MH |
264 | perror("ioctl[SIOCGIFFLAGS]"); |
265 | return -1; | |
266 | } | |
267 | ||
cb76af8a RP |
268 | if (enable) { |
269 | if (ifr.ifr_flags & IFF_UP) | |
270 | return 0; | |
60bc3033 | 271 | ifr.ifr_flags |= IFF_UP; |
cb76af8a RP |
272 | } else { |
273 | if (!(ifr.ifr_flags & IFF_UP)) | |
274 | return 0; | |
60bc3033 | 275 | ifr.ifr_flags &= ~IFF_UP; |
cb76af8a | 276 | } |
60bc3033 | 277 | |
e1b1309b | 278 | if (ioctl(drv->sock, SIOCSIFFLAGS, &ifr) < 0) { |
60bc3033 MH |
279 | perror("ioctl[SIOCSIFFLAGS]"); |
280 | return -1; | |
281 | } | |
282 | ||
283 | return 0; | |
284 | } | |
285 | ||
719196b1 | 286 | static int |
e1b1309b | 287 | bsd_set_key(const char *ifname, void *priv, enum wpa_alg alg, |
719196b1 MH |
288 | const unsigned char *addr, int key_idx, int set_tx, const u8 *seq, |
289 | size_t seq_len, const u8 *key, size_t key_len) | |
290 | { | |
291 | struct ieee80211req_key wk; | |
292 | ||
293 | wpa_printf(MSG_DEBUG, "%s: alg=%d addr=%p key_idx=%d set_tx=%d " | |
294 | "seq_len=%zu key_len=%zu", __func__, alg, addr, key_idx, | |
295 | set_tx, seq_len, key_len); | |
296 | ||
e1b1309b MH |
297 | if (alg == WPA_ALG_NONE) { |
298 | #ifndef HOSTAPD | |
0382097e | 299 | if (addr == NULL || is_broadcast_ether_addr(addr)) |
e1b1309b MH |
300 | return bsd_del_key(priv, NULL, key_idx); |
301 | else | |
302 | #endif /* HOSTAPD */ | |
303 | return bsd_del_key(priv, addr, key_idx); | |
304 | } | |
305 | ||
719196b1 MH |
306 | os_memset(&wk, 0, sizeof(wk)); |
307 | switch (alg) { | |
308 | case WPA_ALG_WEP: | |
309 | wk.ik_type = IEEE80211_CIPHER_WEP; | |
310 | break; | |
311 | case WPA_ALG_TKIP: | |
312 | wk.ik_type = IEEE80211_CIPHER_TKIP; | |
313 | break; | |
314 | case WPA_ALG_CCMP: | |
315 | wk.ik_type = IEEE80211_CIPHER_AES_CCM; | |
316 | break; | |
317 | default: | |
318 | wpa_printf(MSG_ERROR, "%s: unknown alg=%d", __func__, alg); | |
319 | return -1; | |
320 | } | |
321 | ||
322 | wk.ik_flags = IEEE80211_KEY_RECV; | |
323 | if (set_tx) | |
324 | wk.ik_flags |= IEEE80211_KEY_XMIT; | |
325 | ||
326 | if (addr == NULL) { | |
327 | os_memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN); | |
328 | wk.ik_keyix = key_idx; | |
329 | } else { | |
330 | os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN); | |
331 | /* | |
332 | * Deduce whether group/global or unicast key by checking | |
333 | * the address (yech). Note also that we can only mark global | |
334 | * keys default; doing this for a unicast key is an error. | |
335 | */ | |
0382097e | 336 | if (is_broadcast_ether_addr(addr)) { |
719196b1 MH |
337 | wk.ik_flags |= IEEE80211_KEY_GROUP; |
338 | wk.ik_keyix = key_idx; | |
339 | } else { | |
340 | wk.ik_keyix = key_idx == 0 ? IEEE80211_KEYIX_NONE : | |
341 | key_idx; | |
342 | } | |
343 | } | |
344 | if (wk.ik_keyix != IEEE80211_KEYIX_NONE && set_tx) | |
345 | wk.ik_flags |= IEEE80211_KEY_DEFAULT; | |
346 | wk.ik_keylen = key_len; | |
c3b0a1c8 ZY |
347 | if (seq) { |
348 | #ifdef WORDS_BIGENDIAN | |
349 | /* | |
350 | * wk.ik_keyrsc is in host byte order (big endian), need to | |
351 | * swap it to match with the byte order used in WPA. | |
352 | */ | |
353 | int i; | |
354 | u8 *keyrsc = (u8 *) &wk.ik_keyrsc; | |
355 | for (i = 0; i < seq_len; i++) | |
356 | keyrsc[WPA_KEY_RSC_LEN - i - 1] = seq[i]; | |
357 | #else /* WORDS_BIGENDIAN */ | |
da64c266 | 358 | os_memcpy(&wk.ik_keyrsc, seq, seq_len); |
c3b0a1c8 ZY |
359 | #endif /* WORDS_BIGENDIAN */ |
360 | } | |
719196b1 MH |
361 | os_memcpy(wk.ik_keydata, key, key_len); |
362 | ||
e1b1309b | 363 | return set80211var(priv, IEEE80211_IOC_WPAKEY, &wk, sizeof(wk)); |
719196b1 MH |
364 | } |
365 | ||
c5121837 | 366 | static int |
e1b1309b | 367 | bsd_configure_wpa(void *priv, struct wpa_bss_params *params) |
c5121837 | 368 | { |
88487b0e | 369 | #ifndef IEEE80211_IOC_APPIE |
c5121837 JM |
370 | static const char *ciphernames[] = |
371 | { "WEP", "TKIP", "AES-OCB", "AES-CCM", "CKIP", "NONE" }; | |
c5121837 JM |
372 | int v; |
373 | ||
af586419 | 374 | switch (params->wpa_group) { |
c5121837 JM |
375 | case WPA_CIPHER_CCMP: |
376 | v = IEEE80211_CIPHER_AES_CCM; | |
377 | break; | |
378 | case WPA_CIPHER_TKIP: | |
379 | v = IEEE80211_CIPHER_TKIP; | |
380 | break; | |
381 | case WPA_CIPHER_WEP104: | |
382 | v = IEEE80211_CIPHER_WEP; | |
383 | break; | |
384 | case WPA_CIPHER_WEP40: | |
385 | v = IEEE80211_CIPHER_WEP; | |
386 | break; | |
387 | case WPA_CIPHER_NONE: | |
388 | v = IEEE80211_CIPHER_NONE; | |
389 | break; | |
390 | default: | |
391 | printf("Unknown group key cipher %u\n", | |
af586419 | 392 | params->wpa_group); |
c5121837 JM |
393 | return -1; |
394 | } | |
395 | wpa_printf(MSG_DEBUG, "%s: group key cipher=%s (%u)", | |
396 | __func__, ciphernames[v], v); | |
e1b1309b | 397 | if (set80211param(priv, IEEE80211_IOC_MCASTCIPHER, v)) { |
c5121837 JM |
398 | printf("Unable to set group key cipher to %u (%s)\n", |
399 | v, ciphernames[v]); | |
400 | return -1; | |
401 | } | |
402 | if (v == IEEE80211_CIPHER_WEP) { | |
403 | /* key length is done only for specific ciphers */ | |
af586419 | 404 | v = (params->wpa_group == WPA_CIPHER_WEP104 ? 13 : 5); |
e1b1309b | 405 | if (set80211param(priv, IEEE80211_IOC_MCASTKEYLEN, v)) { |
c5121837 JM |
406 | printf("Unable to set group key length to %u\n", v); |
407 | return -1; | |
408 | } | |
409 | } | |
410 | ||
411 | v = 0; | |
af586419 | 412 | if (params->wpa_pairwise & WPA_CIPHER_CCMP) |
c5121837 | 413 | v |= 1<<IEEE80211_CIPHER_AES_CCM; |
af586419 | 414 | if (params->wpa_pairwise & WPA_CIPHER_TKIP) |
c5121837 | 415 | v |= 1<<IEEE80211_CIPHER_TKIP; |
af586419 | 416 | if (params->wpa_pairwise & WPA_CIPHER_NONE) |
c5121837 JM |
417 | v |= 1<<IEEE80211_CIPHER_NONE; |
418 | wpa_printf(MSG_DEBUG, "%s: pairwise key ciphers=0x%x", __func__, v); | |
e1b1309b | 419 | if (set80211param(priv, IEEE80211_IOC_UCASTCIPHERS, v)) { |
c5121837 JM |
420 | printf("Unable to set pairwise key ciphers to 0x%x\n", v); |
421 | return -1; | |
422 | } | |
423 | ||
424 | wpa_printf(MSG_DEBUG, "%s: key management algorithms=0x%x", | |
af586419 | 425 | __func__, params->wpa_key_mgmt); |
e1b1309b MH |
426 | if (set80211param(priv, IEEE80211_IOC_KEYMGTALGS, |
427 | params->wpa_key_mgmt)) { | |
c5121837 | 428 | printf("Unable to set key management algorithms to 0x%x\n", |
af586419 | 429 | params->wpa_key_mgmt); |
c5121837 JM |
430 | return -1; |
431 | } | |
432 | ||
433 | v = 0; | |
af586419 | 434 | if (params->rsn_preauth) |
c5121837 JM |
435 | v |= BIT(0); |
436 | wpa_printf(MSG_DEBUG, "%s: rsn capabilities=0x%x", | |
af586419 | 437 | __func__, params->rsn_preauth); |
e1b1309b | 438 | if (set80211param(priv, IEEE80211_IOC_RSNCAPS, v)) { |
c5121837 JM |
439 | printf("Unable to set RSN capabilities to 0x%x\n", v); |
440 | return -1; | |
441 | } | |
88487b0e | 442 | #endif /* IEEE80211_IOC_APPIE */ |
c5121837 | 443 | |
af586419 | 444 | wpa_printf(MSG_DEBUG, "%s: enable WPA= 0x%x", __func__, params->wpa); |
e1b1309b | 445 | if (set80211param(priv, IEEE80211_IOC_WPA, params->wpa)) { |
af586419 | 446 | printf("Unable to set WPA to %u\n", params->wpa); |
c5121837 JM |
447 | return -1; |
448 | } | |
449 | return 0; | |
450 | } | |
451 | ||
c5121837 | 452 | static int |
e1b1309b | 453 | bsd_set_ieee8021x(void *priv, struct wpa_bss_params *params) |
c5121837 | 454 | { |
af586419 | 455 | wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, params->enabled); |
c5121837 | 456 | |
af586419 | 457 | if (!params->enabled) { |
c5121837 | 458 | /* XXX restore state */ |
e1b1309b MH |
459 | return set80211param(priv, IEEE80211_IOC_AUTHMODE, |
460 | IEEE80211_AUTH_AUTO); | |
c5121837 | 461 | } |
af586419 | 462 | if (!params->wpa && !params->ieee802_1x) { |
42f34a9b MH |
463 | wpa_printf(MSG_ERROR, "%s: No 802.1X or WPA enabled", |
464 | __func__); | |
c5121837 JM |
465 | return -1; |
466 | } | |
e1b1309b | 467 | if (params->wpa && bsd_configure_wpa(priv, params) != 0) { |
42f34a9b MH |
468 | wpa_printf(MSG_ERROR, "%s: Failed to configure WPA state", |
469 | __func__); | |
c5121837 JM |
470 | return -1; |
471 | } | |
e1b1309b | 472 | if (set80211param(priv, IEEE80211_IOC_AUTHMODE, |
af586419 | 473 | (params->wpa ? IEEE80211_AUTH_WPA : IEEE80211_AUTH_8021X))) { |
42f34a9b MH |
474 | wpa_printf(MSG_ERROR, "%s: Failed to enable WPA/802.1X", |
475 | __func__); | |
c5121837 JM |
476 | return -1; |
477 | } | |
e1b1309b | 478 | return bsd_ctrl_iface(priv, 1); |
c5121837 JM |
479 | } |
480 | ||
481 | static int | |
3234cba4 | 482 | bsd_set_sta_authorized(void *priv, const u8 *addr, |
4c32757d | 483 | int total_flags, int flags_or, int flags_and) |
c5121837 | 484 | { |
42f34a9b | 485 | int authorized = -1; |
c5121837 | 486 | |
42f34a9b MH |
487 | /* For now, only support setting Authorized flag */ |
488 | if (flags_or & WPA_STA_AUTHORIZED) | |
489 | authorized = 1; | |
490 | if (!(flags_and & WPA_STA_AUTHORIZED)) | |
491 | authorized = 0; | |
c5121837 | 492 | |
42f34a9b MH |
493 | if (authorized < 0) |
494 | return 0; | |
495 | ||
e1b1309b | 496 | return bsd_send_mlme_param(priv, authorized ? |
42f34a9b MH |
497 | IEEE80211_MLME_AUTHORIZE : |
498 | IEEE80211_MLME_UNAUTHORIZE, 0, addr); | |
499 | } | |
500 | ||
501 | static void | |
e1b1309b | 502 | bsd_new_sta(void *priv, void *ctx, u8 addr[IEEE80211_ADDR_LEN]) |
42f34a9b MH |
503 | { |
504 | struct ieee80211req_wpaie ie; | |
505 | int ielen = 0; | |
506 | u8 *iebuf = NULL; | |
507 | ||
508 | /* | |
509 | * Fetch and validate any negotiated WPA/RSN parameters. | |
510 | */ | |
511 | memset(&ie, 0, sizeof(ie)); | |
512 | memcpy(ie.wpa_macaddr, addr, IEEE80211_ADDR_LEN); | |
e1b1309b | 513 | if (get80211var(priv, IEEE80211_IOC_WPAIE, &ie, sizeof(ie)) < 0) { |
42f34a9b MH |
514 | printf("Failed to get WPA/RSN information element.\n"); |
515 | goto no_ie; | |
516 | } | |
517 | iebuf = ie.wpa_ie; | |
518 | ielen = ie.wpa_ie[1]; | |
519 | if (ielen == 0) | |
520 | iebuf = NULL; | |
521 | else | |
522 | ielen += 2; | |
523 | ||
524 | no_ie: | |
39b08b5f | 525 | drv_event_assoc(ctx, addr, iebuf, ielen, 0); |
42f34a9b MH |
526 | } |
527 | ||
528 | static int | |
e1b1309b | 529 | bsd_send_eapol(void *priv, const u8 *addr, const u8 *data, size_t data_len, |
4378fc14 | 530 | int encrypt, const u8 *own_addr, u32 flags) |
42f34a9b | 531 | { |
e1b1309b MH |
532 | struct bsd_driver_data *drv = priv; |
533 | ||
42f34a9b MH |
534 | wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", data, data_len); |
535 | ||
e1b1309b MH |
536 | return l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, data, |
537 | data_len); | |
c5121837 JM |
538 | } |
539 | ||
540 | static int | |
6db1602d | 541 | bsd_set_freq(void *priv, struct hostapd_freq_params *freq) |
42f34a9b | 542 | { |
e1b1309b | 543 | struct bsd_driver_data *drv = priv; |
aba7569e | 544 | #ifdef SIOCS80211CHANNEL |
42f34a9b | 545 | struct ieee80211chanreq creq; |
362468d1 | 546 | #endif /* SIOCS80211CHANNEL */ |
42f34a9b | 547 | u32 mode; |
6db1602d | 548 | int channel = freq->channel; |
42f34a9b | 549 | |
ca79385a YZ |
550 | if (channel < 14) { |
551 | mode = | |
552 | #ifdef CONFIG_IEEE80211N | |
553 | freq->ht_enabled ? IFM_IEEE80211_11NG : | |
554 | #endif /* CONFIG_IEEE80211N */ | |
555 | IFM_IEEE80211_11G; | |
556 | } else if (channel == 14) { | |
42f34a9b | 557 | mode = IFM_IEEE80211_11B; |
ca79385a YZ |
558 | } else { |
559 | mode = | |
560 | #ifdef CONFIG_IEEE80211N | |
561 | freq->ht_enabled ? IFM_IEEE80211_11NA : | |
562 | #endif /* CONFIG_IEEE80211N */ | |
563 | IFM_IEEE80211_11A; | |
564 | } | |
e1b1309b | 565 | if (bsd_set_mediaopt(drv, IFM_MMASK, mode) < 0) { |
42f34a9b MH |
566 | wpa_printf(MSG_ERROR, "%s: failed to set modulation mode", |
567 | __func__); | |
568 | return -1; | |
569 | } | |
570 | ||
362468d1 | 571 | #ifdef SIOCS80211CHANNEL |
42f34a9b | 572 | os_memset(&creq, 0, sizeof(creq)); |
e1b1309b | 573 | os_strlcpy(creq.i_name, drv->ifname, sizeof(creq.i_name)); |
6db1602d | 574 | creq.i_channel = (u_int16_t)channel; |
e1b1309b | 575 | return ioctl(drv->sock, SIOCS80211CHANNEL, &creq); |
362468d1 MH |
576 | #else /* SIOCS80211CHANNEL */ |
577 | return set80211param(priv, IEEE80211_IOC_CHANNEL, channel); | |
578 | #endif /* SIOCS80211CHANNEL */ | |
42f34a9b MH |
579 | } |
580 | ||
88487b0e | 581 | static int |
aa484516 | 582 | bsd_set_opt_ie(void *priv, const u8 *ie, size_t ie_len) |
88487b0e MH |
583 | { |
584 | #ifdef IEEE80211_IOC_APPIE | |
88487b0e MH |
585 | wpa_printf(MSG_DEBUG, "%s: set WPA+RSN ie (len %lu)", __func__, |
586 | (unsigned long)ie_len); | |
0c6bdf91 MH |
587 | return bsd_set80211(priv, IEEE80211_IOC_APPIE, IEEE80211_APPIE_WPA, |
588 | ie, ie_len); | |
88487b0e MH |
589 | #endif /* IEEE80211_IOC_APPIE */ |
590 | return 0; | |
591 | } | |
592 | ||
28878f8b MH |
593 | static int |
594 | rtbuf_len(void) | |
595 | { | |
596 | size_t len; | |
597 | ||
d4a747f0 | 598 | int mib[6] = {CTL_NET, AF_ROUTE, 0, AF_INET, NET_RT_DUMP, 0}; |
28878f8b MH |
599 | |
600 | if (sysctl(mib, 6, NULL, &len, NULL, 0) < 0) { | |
d4a747f0 | 601 | wpa_printf(MSG_WARNING, "%s failed: %s\n", __func__, |
28878f8b | 602 | strerror(errno)); |
d4a747f0 | 603 | len = 2048; |
28878f8b MH |
604 | } |
605 | ||
606 | return len; | |
607 | } | |
42f34a9b MH |
608 | |
609 | #ifdef HOSTAPD | |
610 | ||
611 | /* | |
612 | * Avoid conflicts with hostapd definitions by undefining couple of defines | |
613 | * from net80211 header files. | |
614 | */ | |
615 | #undef RSN_VERSION | |
616 | #undef WPA_VERSION | |
617 | #undef WPA_OUI_TYPE | |
618 | ||
42f34a9b MH |
619 | static int bsd_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr, |
620 | int reason_code); | |
621 | ||
42f34a9b MH |
622 | static const char * |
623 | ether_sprintf(const u8 *addr) | |
624 | { | |
625 | static char buf[sizeof(MACSTR)]; | |
626 | ||
627 | if (addr != NULL) | |
628 | snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr)); | |
629 | else | |
630 | snprintf(buf, sizeof(buf), MACSTR, 0,0,0,0,0,0); | |
631 | return buf; | |
632 | } | |
633 | ||
42f34a9b | 634 | static int |
d5dd016a | 635 | bsd_set_privacy(void *priv, int enabled) |
c5121837 | 636 | { |
42f34a9b MH |
637 | wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled); |
638 | ||
e1b1309b | 639 | return set80211param(priv, IEEE80211_IOC_PRIVACY, enabled); |
c5121837 JM |
640 | } |
641 | ||
c5121837 JM |
642 | static int |
643 | bsd_get_seqnum(const char *ifname, void *priv, const u8 *addr, int idx, | |
644 | u8 *seq) | |
645 | { | |
c5121837 JM |
646 | struct ieee80211req_key wk; |
647 | ||
648 | wpa_printf(MSG_DEBUG, "%s: addr=%s idx=%d", | |
649 | __func__, ether_sprintf(addr), idx); | |
650 | ||
651 | memset(&wk, 0, sizeof(wk)); | |
652 | if (addr == NULL) | |
653 | memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN); | |
654 | else | |
655 | memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN); | |
656 | wk.ik_keyix = idx; | |
657 | ||
e1b1309b | 658 | if (get80211var(priv, IEEE80211_IOC_WPAKEY, &wk, sizeof(wk)) < 0) { |
c5121837 JM |
659 | printf("Failed to get encryption.\n"); |
660 | return -1; | |
661 | } | |
662 | ||
663 | #ifdef WORDS_BIGENDIAN | |
664 | { | |
665 | /* | |
666 | * wk.ik_keytsc is in host byte order (big endian), need to | |
667 | * swap it to match with the byte order used in WPA. | |
668 | */ | |
669 | int i; | |
670 | u8 tmp[WPA_KEY_RSC_LEN]; | |
671 | memcpy(tmp, &wk.ik_keytsc, sizeof(wk.ik_keytsc)); | |
672 | for (i = 0; i < WPA_KEY_RSC_LEN; i++) { | |
673 | seq[i] = tmp[WPA_KEY_RSC_LEN - i - 1]; | |
674 | } | |
675 | } | |
676 | #else /* WORDS_BIGENDIAN */ | |
677 | memcpy(seq, &wk.ik_keytsc, sizeof(wk.ik_keytsc)); | |
678 | #endif /* WORDS_BIGENDIAN */ | |
679 | return 0; | |
680 | } | |
681 | ||
682 | ||
683 | static int | |
684 | bsd_flush(void *priv) | |
685 | { | |
686 | u8 allsta[IEEE80211_ADDR_LEN]; | |
687 | ||
688 | memset(allsta, 0xff, IEEE80211_ADDR_LEN); | |
731723a5 | 689 | return bsd_sta_deauth(priv, NULL, allsta, IEEE80211_REASON_AUTH_LEAVE); |
c5121837 JM |
690 | } |
691 | ||
692 | ||
693 | static int | |
694 | bsd_read_sta_driver_data(void *priv, struct hostap_sta_driver_data *data, | |
695 | const u8 *addr) | |
696 | { | |
c5121837 JM |
697 | struct ieee80211req_sta_stats stats; |
698 | ||
699 | memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN); | |
e1b1309b MH |
700 | if (get80211var(priv, IEEE80211_IOC_STA_STATS, &stats, sizeof(stats)) |
701 | > 0) { | |
c5121837 JM |
702 | /* XXX? do packets counts include non-data frames? */ |
703 | data->rx_packets = stats.is_stats.ns_rx_data; | |
704 | data->rx_bytes = stats.is_stats.ns_rx_bytes; | |
705 | data->tx_packets = stats.is_stats.ns_tx_data; | |
706 | data->tx_bytes = stats.is_stats.ns_tx_bytes; | |
707 | } | |
708 | return 0; | |
709 | } | |
710 | ||
c5121837 | 711 | static int |
731723a5 | 712 | bsd_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr, int reason_code) |
c5121837 | 713 | { |
e1b1309b MH |
714 | return bsd_send_mlme_param(priv, IEEE80211_MLME_DEAUTH, reason_code, |
715 | addr); | |
c5121837 JM |
716 | } |
717 | ||
718 | static int | |
731723a5 JM |
719 | bsd_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr, |
720 | int reason_code) | |
c5121837 | 721 | { |
e1b1309b MH |
722 | return bsd_send_mlme_param(priv, IEEE80211_MLME_DISASSOC, reason_code, |
723 | addr); | |
c5121837 JM |
724 | } |
725 | ||
c5121837 JM |
726 | static void |
727 | bsd_wireless_event_receive(int sock, void *ctx, void *sock_ctx) | |
728 | { | |
729 | struct bsd_driver_data *drv = ctx; | |
28878f8b | 730 | char *buf; |
c5121837 JM |
731 | struct if_announcemsghdr *ifan; |
732 | struct rt_msghdr *rtm; | |
733 | struct ieee80211_michael_event *mic; | |
734 | struct ieee80211_join_event *join; | |
735 | struct ieee80211_leave_event *leave; | |
28878f8b | 736 | int n, len; |
1cd973d5 | 737 | union wpa_event_data data; |
c5121837 | 738 | |
28878f8b | 739 | len = rtbuf_len(); |
28878f8b MH |
740 | |
741 | buf = os_malloc(len); | |
742 | if (buf == NULL) { | |
743 | wpa_printf(MSG_ERROR, "%s os_malloc() failed\n", __func__); | |
744 | return; | |
745 | } | |
746 | ||
747 | n = read(sock, buf, len); | |
c5121837 JM |
748 | if (n < 0) { |
749 | if (errno != EINTR && errno != EAGAIN) | |
28878f8b MH |
750 | wpa_printf(MSG_ERROR, "%s read() failed: %s\n", |
751 | __func__, strerror(errno)); | |
752 | os_free(buf); | |
c5121837 JM |
753 | return; |
754 | } | |
755 | ||
756 | rtm = (struct rt_msghdr *) buf; | |
757 | if (rtm->rtm_version != RTM_VERSION) { | |
28878f8b MH |
758 | wpa_printf(MSG_DEBUG, "Invalid routing message version=%d", |
759 | rtm->rtm_version); | |
760 | os_free(buf); | |
c5121837 JM |
761 | return; |
762 | } | |
763 | ifan = (struct if_announcemsghdr *) rtm; | |
764 | switch (rtm->rtm_type) { | |
765 | case RTM_IEEE80211: | |
766 | switch (ifan->ifan_what) { | |
767 | case RTM_IEEE80211_ASSOC: | |
768 | case RTM_IEEE80211_REASSOC: | |
769 | case RTM_IEEE80211_DISASSOC: | |
770 | case RTM_IEEE80211_SCAN: | |
771 | break; | |
772 | case RTM_IEEE80211_LEAVE: | |
773 | leave = (struct ieee80211_leave_event *) &ifan[1]; | |
69378b79 | 774 | drv_event_disassoc(drv->hapd, leave->iev_addr); |
c5121837 JM |
775 | break; |
776 | case RTM_IEEE80211_JOIN: | |
777 | #ifdef RTM_IEEE80211_REJOIN | |
778 | case RTM_IEEE80211_REJOIN: | |
779 | #endif | |
780 | join = (struct ieee80211_join_event *) &ifan[1]; | |
e1b1309b | 781 | bsd_new_sta(drv, drv->hapd, join->iev_addr); |
c5121837 JM |
782 | break; |
783 | case RTM_IEEE80211_REPLAY: | |
784 | /* ignore */ | |
785 | break; | |
786 | case RTM_IEEE80211_MICHAEL: | |
787 | mic = (struct ieee80211_michael_event *) &ifan[1]; | |
788 | wpa_printf(MSG_DEBUG, | |
789 | "Michael MIC failure wireless event: " | |
790 | "keyix=%u src_addr=" MACSTR, mic->iev_keyix, | |
791 | MAC2STR(mic->iev_src)); | |
1cd973d5 JM |
792 | os_memset(&data, 0, sizeof(data)); |
793 | data.michael_mic_failure.unicast = 1; | |
794 | data.michael_mic_failure.src = mic->iev_src; | |
795 | wpa_supplicant_event(drv->hapd, | |
796 | EVENT_MICHAEL_MIC_FAILURE, &data); | |
c5121837 JM |
797 | break; |
798 | } | |
799 | break; | |
800 | } | |
28878f8b | 801 | os_free(buf); |
c5121837 JM |
802 | } |
803 | ||
c5121837 JM |
804 | static void |
805 | handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len) | |
806 | { | |
807 | struct bsd_driver_data *drv = ctx; | |
d3737256 | 808 | drv_event_eapol_rx(drv->hapd, src_addr, buf, len); |
c5121837 JM |
809 | } |
810 | ||
c5121837 | 811 | static void * |
92f475b4 | 812 | bsd_init(struct hostapd_data *hapd, struct wpa_init_params *params) |
c5121837 JM |
813 | { |
814 | struct bsd_driver_data *drv; | |
815 | ||
816 | drv = os_zalloc(sizeof(struct bsd_driver_data)); | |
817 | if (drv == NULL) { | |
818 | printf("Could not allocate memory for bsd driver data\n"); | |
819 | goto bad; | |
820 | } | |
821 | ||
822 | drv->hapd = hapd; | |
6850c707 MH |
823 | drv->sock = socket(PF_INET, SOCK_DGRAM, 0); |
824 | if (drv->sock < 0) { | |
c5121837 JM |
825 | perror("socket[PF_INET,SOCK_DGRAM]"); |
826 | goto bad; | |
827 | } | |
6850c707 | 828 | os_strlcpy(drv->ifname, params->ifname, sizeof(drv->ifname)); |
c5121837 | 829 | |
6850c707 | 830 | drv->sock_xmit = l2_packet_init(drv->ifname, NULL, ETH_P_EAPOL, |
d3737256 | 831 | handle_read, drv, 0); |
c5121837 JM |
832 | if (drv->sock_xmit == NULL) |
833 | goto bad; | |
412036f5 | 834 | if (l2_packet_get_own_addr(drv->sock_xmit, params->own_addr)) |
c5121837 JM |
835 | goto bad; |
836 | ||
60bc3033 | 837 | /* mark down during setup */ |
e1b1309b | 838 | if (bsd_ctrl_iface(drv, 0) < 0) |
60bc3033 | 839 | goto bad; |
6850c707 MH |
840 | |
841 | drv->route = socket(PF_ROUTE, SOCK_RAW, 0); | |
842 | if (drv->route < 0) { | |
843 | perror("socket(PF_ROUTE,SOCK_RAW)"); | |
c5121837 | 844 | goto bad; |
6850c707 MH |
845 | } |
846 | eloop_register_read_sock(drv->route, bsd_wireless_event_receive, drv, | |
847 | NULL); | |
c5121837 | 848 | |
e1b1309b | 849 | if (bsd_set_mediaopt(drv, IFM_OMASK, IFM_IEEE80211_HOSTAP) < 0) { |
5197244a MH |
850 | wpa_printf(MSG_ERROR, "%s: failed to set operation mode", |
851 | __func__); | |
852 | goto bad; | |
853 | } | |
854 | ||
c5121837 JM |
855 | return drv; |
856 | bad: | |
857 | if (drv->sock_xmit != NULL) | |
858 | l2_packet_deinit(drv->sock_xmit); | |
6850c707 MH |
859 | if (drv->sock >= 0) |
860 | close(drv->sock); | |
c5121837 | 861 | if (drv != NULL) |
82f36163 | 862 | os_free(drv); |
c5121837 JM |
863 | return NULL; |
864 | } | |
865 | ||
866 | ||
867 | static void | |
868 | bsd_deinit(void *priv) | |
869 | { | |
870 | struct bsd_driver_data *drv = priv; | |
871 | ||
6850c707 MH |
872 | if (drv->route >= 0) { |
873 | eloop_unregister_read_sock(drv->route); | |
874 | close(drv->route); | |
875 | } | |
e1b1309b | 876 | bsd_ctrl_iface(drv, 0); |
6850c707 MH |
877 | if (drv->sock >= 0) |
878 | close(drv->sock); | |
c5121837 JM |
879 | if (drv->sock_xmit != NULL) |
880 | l2_packet_deinit(drv->sock_xmit); | |
82f36163 | 881 | os_free(drv); |
c5121837 JM |
882 | } |
883 | ||
c5121837 JM |
884 | #else /* HOSTAPD */ |
885 | ||
6fc6879b | 886 | static int |
86b24ea9 | 887 | get80211param(struct bsd_driver_data *drv, int op) |
6fc6879b JM |
888 | { |
889 | struct ieee80211req ireq; | |
890 | ||
0c6bdf91 | 891 | if (bsd_get80211(drv, &ireq, op, NULL, 0) < 0) |
6fc6879b | 892 | return -1; |
6fc6879b JM |
893 | return ireq.i_val; |
894 | } | |
895 | ||
6fc6879b JM |
896 | static int |
897 | wpa_driver_bsd_get_bssid(void *priv, u8 *bssid) | |
898 | { | |
86b24ea9 | 899 | struct bsd_driver_data *drv = priv; |
66d4085f | 900 | #ifdef SIOCG80211BSSID |
a65f4a57 | 901 | struct ieee80211_bssid bs; |
6fc6879b | 902 | |
e1b1309b | 903 | os_strlcpy(bs.i_name, drv->ifname, sizeof(bs.i_name)); |
a65f4a57 MH |
904 | if (ioctl(drv->sock, SIOCG80211BSSID, &bs) < 0) |
905 | return -1; | |
906 | os_memcpy(bssid, bs.i_bssid, sizeof(bs.i_bssid)); | |
907 | return 0; | |
908 | #else | |
6fc6879b JM |
909 | return get80211var(drv, IEEE80211_IOC_BSSID, |
910 | bssid, IEEE80211_ADDR_LEN) < 0 ? -1 : 0; | |
a65f4a57 | 911 | #endif |
6fc6879b JM |
912 | } |
913 | ||
6fc6879b JM |
914 | static int |
915 | wpa_driver_bsd_get_ssid(void *priv, u8 *ssid) | |
916 | { | |
86b24ea9 | 917 | struct bsd_driver_data *drv = priv; |
c1bbb0ce | 918 | return bsd_get_ssid(drv, ssid, 0); |
6fc6879b JM |
919 | } |
920 | ||
921 | static int | |
86b24ea9 MH |
922 | wpa_driver_bsd_set_wpa_ie(struct bsd_driver_data *drv, const u8 *wpa_ie, |
923 | size_t wpa_ie_len) | |
6fc6879b | 924 | { |
c610dba1 | 925 | #ifdef IEEE80211_IOC_APPIE |
aa484516 | 926 | return bsd_set_opt_ie(drv, wpa_ie, wpa_ie_len); |
c610dba1 | 927 | #else /* IEEE80211_IOC_APPIE */ |
6fc6879b | 928 | return set80211var(drv, IEEE80211_IOC_OPTIE, wpa_ie, wpa_ie_len); |
c610dba1 | 929 | #endif /* IEEE80211_IOC_APPIE */ |
6fc6879b JM |
930 | } |
931 | ||
932 | static int | |
933 | wpa_driver_bsd_set_wpa_internal(void *priv, int wpa, int privacy) | |
934 | { | |
6fc6879b JM |
935 | int ret = 0; |
936 | ||
937 | wpa_printf(MSG_DEBUG, "%s: wpa=%d privacy=%d", | |
938 | __FUNCTION__, wpa, privacy); | |
939 | ||
e1b1309b | 940 | if (!wpa && wpa_driver_bsd_set_wpa_ie(priv, NULL, 0) < 0) |
6fc6879b | 941 | ret = -1; |
e1b1309b | 942 | if (set80211param(priv, IEEE80211_IOC_PRIVACY, privacy) < 0) |
6fc6879b | 943 | ret = -1; |
e1b1309b | 944 | if (set80211param(priv, IEEE80211_IOC_WPA, wpa) < 0) |
6fc6879b JM |
945 | ret = -1; |
946 | ||
947 | return ret; | |
948 | } | |
949 | ||
950 | static int | |
951 | wpa_driver_bsd_set_wpa(void *priv, int enabled) | |
952 | { | |
953 | wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled); | |
954 | ||
955 | return wpa_driver_bsd_set_wpa_internal(priv, enabled ? 3 : 0, enabled); | |
956 | } | |
957 | ||
6fc6879b JM |
958 | static int |
959 | wpa_driver_bsd_set_countermeasures(void *priv, int enabled) | |
960 | { | |
6fc6879b | 961 | wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled); |
e1b1309b | 962 | return set80211param(priv, IEEE80211_IOC_COUNTERMEASURES, enabled); |
6fc6879b JM |
963 | } |
964 | ||
965 | ||
966 | static int | |
967 | wpa_driver_bsd_set_drop_unencrypted(void *priv, int enabled) | |
968 | { | |
6fc6879b | 969 | wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled); |
e1b1309b | 970 | return set80211param(priv, IEEE80211_IOC_DROPUNENCRYPTED, enabled); |
6fc6879b JM |
971 | } |
972 | ||
973 | static int | |
974 | wpa_driver_bsd_deauthenticate(void *priv, const u8 *addr, int reason_code) | |
975 | { | |
e1b1309b MH |
976 | return bsd_send_mlme_param(priv, IEEE80211_MLME_DEAUTH, reason_code, |
977 | addr); | |
6fc6879b JM |
978 | } |
979 | ||
2a91091e MH |
980 | static int |
981 | wpa_driver_bsd_set_auth_alg(void *priv, int auth_alg) | |
982 | { | |
2a91091e MH |
983 | int authmode; |
984 | ||
abd9fafa JM |
985 | if ((auth_alg & WPA_AUTH_ALG_OPEN) && |
986 | (auth_alg & WPA_AUTH_ALG_SHARED)) | |
2a91091e | 987 | authmode = IEEE80211_AUTH_AUTO; |
abd9fafa | 988 | else if (auth_alg & WPA_AUTH_ALG_SHARED) |
2a91091e MH |
989 | authmode = IEEE80211_AUTH_SHARED; |
990 | else | |
991 | authmode = IEEE80211_AUTH_OPEN; | |
992 | ||
e1b1309b | 993 | return set80211param(priv, IEEE80211_IOC_AUTHMODE, authmode); |
2a91091e MH |
994 | } |
995 | ||
42f34a9b MH |
996 | static void |
997 | handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len) | |
998 | { | |
86b24ea9 | 999 | struct bsd_driver_data *drv = ctx; |
42f34a9b MH |
1000 | |
1001 | drv_event_eapol_rx(drv->ctx, src_addr, buf, len); | |
1002 | } | |
1003 | ||
6fc6879b JM |
1004 | static int |
1005 | wpa_driver_bsd_associate(void *priv, struct wpa_driver_associate_params *params) | |
1006 | { | |
86b24ea9 | 1007 | struct bsd_driver_data *drv = priv; |
6fc6879b | 1008 | struct ieee80211req_mlme mlme; |
42f34a9b | 1009 | u32 mode; |
6fc6879b | 1010 | int privacy; |
4a867032 | 1011 | int ret = 0; |
6fc6879b JM |
1012 | |
1013 | wpa_printf(MSG_DEBUG, | |
1014 | "%s: ssid '%.*s' wpa ie len %u pairwise %u group %u key mgmt %u" | |
1015 | , __func__ | |
92e63aaf JM |
1016 | , (unsigned int) params->ssid_len, params->ssid |
1017 | , (unsigned int) params->wpa_ie_len | |
6fc6879b JM |
1018 | , params->pairwise_suite |
1019 | , params->group_suite | |
1020 | , params->key_mgmt_suite | |
1021 | ); | |
1022 | ||
42f34a9b MH |
1023 | switch (params->mode) { |
1024 | case IEEE80211_MODE_INFRA: | |
1025 | mode = 0 /* STA */; | |
1026 | break; | |
1027 | case IEEE80211_MODE_IBSS: | |
1028 | mode = IFM_IEEE80211_IBSS; | |
1029 | break; | |
1030 | case IEEE80211_MODE_AP: | |
1031 | mode = IFM_IEEE80211_HOSTAP; | |
1032 | break; | |
1033 | default: | |
1034 | wpa_printf(MSG_ERROR, "%s: unknown operation mode", __func__); | |
1035 | return -1; | |
1036 | } | |
e1b1309b | 1037 | if (bsd_set_mediaopt(drv, IFM_OMASK, mode) < 0) { |
42f34a9b MH |
1038 | wpa_printf(MSG_ERROR, "%s: failed to set operation mode", |
1039 | __func__); | |
1040 | return -1; | |
1041 | } | |
1042 | ||
1043 | if (params->mode == IEEE80211_MODE_AP) { | |
42f34a9b MH |
1044 | drv->sock_xmit = l2_packet_init(drv->ifname, NULL, ETH_P_EAPOL, |
1045 | handle_read, drv, 0); | |
1046 | if (drv->sock_xmit == NULL) | |
1047 | return -1; | |
1048 | drv->is_ap = 1; | |
1049 | return 0; | |
1050 | } | |
1051 | ||
4a867032 JM |
1052 | if (wpa_driver_bsd_set_drop_unencrypted(drv, params->drop_unencrypted) |
1053 | < 0) | |
1054 | ret = -1; | |
1055 | if (wpa_driver_bsd_set_auth_alg(drv, params->auth_alg) < 0) | |
1056 | ret = -1; | |
6fc6879b JM |
1057 | /* XXX error handling is wrong but unclear what to do... */ |
1058 | if (wpa_driver_bsd_set_wpa_ie(drv, params->wpa_ie, params->wpa_ie_len) < 0) | |
1059 | return -1; | |
6fc6879b JM |
1060 | |
1061 | privacy = !(params->pairwise_suite == CIPHER_NONE && | |
1062 | params->group_suite == CIPHER_NONE && | |
1063 | params->key_mgmt_suite == KEY_MGMT_NONE && | |
1064 | params->wpa_ie_len == 0); | |
1065 | wpa_printf(MSG_DEBUG, "%s: set PRIVACY %u", __func__, privacy); | |
1066 | ||
1067 | if (set80211param(drv, IEEE80211_IOC_PRIVACY, privacy) < 0) | |
1068 | return -1; | |
1069 | ||
1070 | if (params->wpa_ie_len && | |
1071 | set80211param(drv, IEEE80211_IOC_WPA, | |
1072 | params->wpa_ie[0] == WLAN_EID_RSN ? 2 : 1) < 0) | |
1073 | return -1; | |
1074 | ||
1075 | os_memset(&mlme, 0, sizeof(mlme)); | |
1076 | mlme.im_op = IEEE80211_MLME_ASSOC; | |
6fc6879b JM |
1077 | if (params->ssid != NULL) |
1078 | os_memcpy(mlme.im_ssid, params->ssid, params->ssid_len); | |
1079 | mlme.im_ssid_len = params->ssid_len; | |
6fc6879b JM |
1080 | if (params->bssid != NULL) |
1081 | os_memcpy(mlme.im_macaddr, params->bssid, IEEE80211_ADDR_LEN); | |
1082 | if (set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme)) < 0) | |
1083 | return -1; | |
4a867032 | 1084 | return ret; |
6fc6879b JM |
1085 | } |
1086 | ||
6fc6879b | 1087 | static int |
c2e8d0a0 | 1088 | wpa_driver_bsd_scan(void *priv, struct wpa_driver_scan_params *params) |
6fc6879b | 1089 | { |
86b24ea9 | 1090 | struct bsd_driver_data *drv = priv; |
88487b0e MH |
1091 | #ifdef IEEE80211_IOC_SCAN_MAX_SSID |
1092 | struct ieee80211_scan_req sr; | |
1093 | int i; | |
1094 | #endif /* IEEE80211_IOC_SCAN_MAX_SSID */ | |
1095 | ||
1096 | if (bsd_set_mediaopt(drv, IFM_OMASK, 0 /* STA */) < 0) { | |
1097 | wpa_printf(MSG_ERROR, "%s: failed to set operation mode", | |
1098 | __func__); | |
1099 | return -1; | |
1100 | } | |
6fc6879b | 1101 | |
42f34a9b MH |
1102 | if (set80211param(drv, IEEE80211_IOC_ROAMING, |
1103 | IEEE80211_ROAMING_MANUAL) < 0) { | |
1104 | wpa_printf(MSG_ERROR, "%s: failed to set " | |
1105 | "wpa_supplicant-based roaming: %s", __func__, | |
1106 | strerror(errno)); | |
1107 | return -1; | |
1108 | } | |
1109 | ||
1110 | if (wpa_driver_bsd_set_wpa(drv, 1) < 0) { | |
1111 | wpa_printf(MSG_ERROR, "%s: failed to set wpa: %s", __func__, | |
1112 | strerror(errno)); | |
1113 | return -1; | |
1114 | } | |
1115 | ||
6fc6879b | 1116 | /* NB: interface must be marked UP to do a scan */ |
e1b1309b | 1117 | if (bsd_ctrl_iface(drv, 1) < 0) |
6fc6879b JM |
1118 | return -1; |
1119 | ||
88487b0e MH |
1120 | #ifdef IEEE80211_IOC_SCAN_MAX_SSID |
1121 | os_memset(&sr, 0, sizeof(sr)); | |
1122 | sr.sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE | | |
1123 | IEEE80211_IOC_SCAN_NOJOIN; | |
1124 | sr.sr_duration = IEEE80211_IOC_SCAN_FOREVER; | |
1125 | if (params->num_ssids > 0) { | |
1126 | sr.sr_nssid = params->num_ssids; | |
1127 | #if 0 | |
1128 | /* Boundary check is done by upper layer */ | |
1129 | if (sr.sr_nssid > IEEE80211_IOC_SCAN_MAX_SSID) | |
1130 | sr.sr_nssid = IEEE80211_IOC_SCAN_MAX_SSID; | |
1131 | #endif | |
1132 | ||
1133 | /* NB: check scan cache first */ | |
1134 | sr.sr_flags |= IEEE80211_IOC_SCAN_CHECK; | |
1135 | } | |
1136 | for (i = 0; i < sr.sr_nssid; i++) { | |
1137 | sr.sr_ssid[i].len = params->ssids[i].ssid_len; | |
1138 | os_memcpy(sr.sr_ssid[i].ssid, params->ssids[i].ssid, | |
1139 | sr.sr_ssid[i].len); | |
1140 | } | |
1141 | ||
1142 | /* NB: net80211 delivers a scan complete event so no need to poll */ | |
1143 | return set80211var(drv, IEEE80211_IOC_SCAN_REQ, &sr, sizeof(sr)); | |
1144 | #else /* IEEE80211_IOC_SCAN_MAX_SSID */ | |
6fc6879b | 1145 | /* set desired ssid before scan */ |
c1bbb0ce | 1146 | if (bsd_set_ssid(drv, params->ssids[0].ssid, |
88487b0e | 1147 | params->ssids[0].ssid_len) < 0) |
6fc6879b JM |
1148 | return -1; |
1149 | ||
1150 | /* NB: net80211 delivers a scan complete event so no need to poll */ | |
1151 | return set80211param(drv, IEEE80211_IOC_SCAN_REQ, 0); | |
88487b0e | 1152 | #endif /* IEEE80211_IOC_SCAN_MAX_SSID */ |
6fc6879b JM |
1153 | } |
1154 | ||
6fc6879b JM |
1155 | static void |
1156 | wpa_driver_bsd_event_receive(int sock, void *ctx, void *sock_ctx) | |
1157 | { | |
86b24ea9 | 1158 | struct bsd_driver_data *drv = sock_ctx; |
28878f8b | 1159 | char *buf; |
6fc6879b JM |
1160 | struct if_announcemsghdr *ifan; |
1161 | struct if_msghdr *ifm; | |
1162 | struct rt_msghdr *rtm; | |
1163 | union wpa_event_data event; | |
1164 | struct ieee80211_michael_event *mic; | |
42f34a9b MH |
1165 | struct ieee80211_leave_event *leave; |
1166 | struct ieee80211_join_event *join; | |
28878f8b MH |
1167 | int n, len; |
1168 | ||
1169 | len = rtbuf_len(); | |
28878f8b MH |
1170 | |
1171 | buf = os_malloc(len); | |
1172 | if (buf == NULL) { | |
1173 | wpa_printf(MSG_ERROR, "%s os_malloc() failed\n", __func__); | |
1174 | return; | |
1175 | } | |
6fc6879b | 1176 | |
28878f8b | 1177 | n = read(sock, buf, len); |
6fc6879b JM |
1178 | if (n < 0) { |
1179 | if (errno != EINTR && errno != EAGAIN) | |
28878f8b MH |
1180 | wpa_printf(MSG_ERROR, "%s read() failed: %s\n", |
1181 | __func__, strerror(errno)); | |
1182 | os_free(buf); | |
6fc6879b JM |
1183 | return; |
1184 | } | |
1185 | ||
1186 | rtm = (struct rt_msghdr *) buf; | |
1187 | if (rtm->rtm_version != RTM_VERSION) { | |
28878f8b MH |
1188 | wpa_printf(MSG_DEBUG, "Invalid routing message version=%d", |
1189 | rtm->rtm_version); | |
1190 | os_free(buf); | |
6fc6879b JM |
1191 | return; |
1192 | } | |
1193 | os_memset(&event, 0, sizeof(event)); | |
1194 | switch (rtm->rtm_type) { | |
1195 | case RTM_IFANNOUNCE: | |
1196 | ifan = (struct if_announcemsghdr *) rtm; | |
1197 | if (ifan->ifan_index != drv->ifindex) | |
1198 | break; | |
d2f46a2b JM |
1199 | os_strlcpy(event.interface_status.ifname, drv->ifname, |
1200 | sizeof(event.interface_status.ifname)); | |
6fc6879b JM |
1201 | switch (ifan->ifan_what) { |
1202 | case IFAN_DEPARTURE: | |
1203 | event.interface_status.ievent = EVENT_INTERFACE_REMOVED; | |
1204 | default: | |
28878f8b | 1205 | os_free(buf); |
6fc6879b JM |
1206 | return; |
1207 | } | |
1208 | wpa_printf(MSG_DEBUG, "RTM_IFANNOUNCE: Interface '%s' %s", | |
1209 | event.interface_status.ifname, | |
1210 | ifan->ifan_what == IFAN_DEPARTURE ? | |
1211 | "removed" : "added"); | |
1212 | wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &event); | |
1213 | break; | |
1214 | case RTM_IEEE80211: | |
1215 | ifan = (struct if_announcemsghdr *) rtm; | |
1216 | if (ifan->ifan_index != drv->ifindex) | |
1217 | break; | |
1218 | switch (ifan->ifan_what) { | |
1219 | case RTM_IEEE80211_ASSOC: | |
1220 | case RTM_IEEE80211_REASSOC: | |
42f34a9b MH |
1221 | if (drv->is_ap) |
1222 | break; | |
6fc6879b JM |
1223 | wpa_supplicant_event(ctx, EVENT_ASSOC, NULL); |
1224 | break; | |
1225 | case RTM_IEEE80211_DISASSOC: | |
42f34a9b MH |
1226 | if (drv->is_ap) |
1227 | break; | |
6fc6879b JM |
1228 | wpa_supplicant_event(ctx, EVENT_DISASSOC, NULL); |
1229 | break; | |
1230 | case RTM_IEEE80211_SCAN: | |
42f34a9b MH |
1231 | if (drv->is_ap) |
1232 | break; | |
6fc6879b JM |
1233 | wpa_supplicant_event(ctx, EVENT_SCAN_RESULTS, NULL); |
1234 | break; | |
42f34a9b MH |
1235 | case RTM_IEEE80211_LEAVE: |
1236 | leave = (struct ieee80211_leave_event *) &ifan[1]; | |
1237 | drv_event_disassoc(ctx, leave->iev_addr); | |
1238 | break; | |
1239 | case RTM_IEEE80211_JOIN: | |
1240 | #ifdef RTM_IEEE80211_REJOIN | |
1241 | case RTM_IEEE80211_REJOIN: | |
1242 | #endif | |
1243 | join = (struct ieee80211_join_event *) &ifan[1]; | |
e1b1309b | 1244 | bsd_new_sta(drv, ctx, join->iev_addr); |
42f34a9b | 1245 | break; |
6fc6879b JM |
1246 | case RTM_IEEE80211_REPLAY: |
1247 | /* ignore */ | |
1248 | break; | |
1249 | case RTM_IEEE80211_MICHAEL: | |
1250 | mic = (struct ieee80211_michael_event *) &ifan[1]; | |
1251 | wpa_printf(MSG_DEBUG, | |
1252 | "Michael MIC failure wireless event: " | |
1253 | "keyix=%u src_addr=" MACSTR, mic->iev_keyix, | |
1254 | MAC2STR(mic->iev_src)); | |
1255 | ||
1256 | os_memset(&event, 0, sizeof(event)); | |
1257 | event.michael_mic_failure.unicast = | |
1258 | !IEEE80211_IS_MULTICAST(mic->iev_dst); | |
1259 | wpa_supplicant_event(ctx, EVENT_MICHAEL_MIC_FAILURE, | |
1260 | &event); | |
1261 | break; | |
1262 | } | |
1263 | break; | |
1264 | case RTM_IFINFO: | |
1265 | ifm = (struct if_msghdr *) rtm; | |
1266 | if (ifm->ifm_index != drv->ifindex) | |
1267 | break; | |
1268 | if ((rtm->rtm_flags & RTF_UP) == 0) { | |
d2f46a2b JM |
1269 | os_strlcpy(event.interface_status.ifname, drv->ifname, |
1270 | sizeof(event.interface_status.ifname)); | |
6fc6879b JM |
1271 | event.interface_status.ievent = EVENT_INTERFACE_REMOVED; |
1272 | wpa_printf(MSG_DEBUG, "RTM_IFINFO: Interface '%s' DOWN", | |
1273 | event.interface_status.ifname); | |
1274 | wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &event); | |
1275 | } | |
1276 | break; | |
1277 | } | |
28878f8b | 1278 | os_free(buf); |
6fc6879b JM |
1279 | } |
1280 | ||
a65f4a57 MH |
1281 | static void |
1282 | wpa_driver_bsd_add_scan_entry(struct wpa_scan_results *res, | |
1283 | struct ieee80211req_scan_result *sr) | |
6fc6879b | 1284 | { |
a65f4a57 MH |
1285 | struct wpa_scan_res *result, **tmp; |
1286 | size_t extra_len; | |
1287 | u8 *pos; | |
6fc6879b | 1288 | |
a65f4a57 MH |
1289 | extra_len = 2 + sr->isr_ssid_len; |
1290 | extra_len += 2 + sr->isr_nrates; | |
1291 | extra_len += 3; /* ERP IE */ | |
1292 | extra_len += sr->isr_ie_len; | |
6fc6879b | 1293 | |
a65f4a57 MH |
1294 | result = os_zalloc(sizeof(*result) + extra_len); |
1295 | if (result == NULL) | |
1296 | return; | |
1297 | os_memcpy(result->bssid, sr->isr_bssid, ETH_ALEN); | |
1298 | result->freq = sr->isr_freq; | |
1299 | result->beacon_int = sr->isr_intval; | |
1300 | result->caps = sr->isr_capinfo; | |
1301 | result->qual = sr->isr_rssi; | |
1302 | result->noise = sr->isr_noise; | |
6fc6879b | 1303 | |
a65f4a57 | 1304 | pos = (u8 *)(result + 1); |
6fc6879b | 1305 | |
a65f4a57 MH |
1306 | *pos++ = WLAN_EID_SSID; |
1307 | *pos++ = sr->isr_ssid_len; | |
1308 | os_memcpy(pos, sr + 1, sr->isr_ssid_len); | |
1309 | pos += sr->isr_ssid_len; | |
6fc6879b | 1310 | |
a65f4a57 MH |
1311 | /* |
1312 | * Deal all rates as supported rate. | |
1313 | * Because net80211 doesn't report extended supported rate or not. | |
1314 | */ | |
1315 | *pos++ = WLAN_EID_SUPP_RATES; | |
1316 | *pos++ = sr->isr_nrates; | |
1317 | os_memcpy(pos, sr->isr_rates, sr->isr_nrates); | |
1318 | pos += sr->isr_nrates; | |
6fc6879b | 1319 | |
a65f4a57 MH |
1320 | *pos++ = WLAN_EID_ERP_INFO; |
1321 | *pos++ = 1; | |
1322 | *pos++ = sr->isr_erp; | |
6fc6879b | 1323 | |
a65f4a57 MH |
1324 | os_memcpy(pos, (u8 *)(sr + 1) + sr->isr_ssid_len, sr->isr_ie_len); |
1325 | pos += sr->isr_ie_len; | |
6fc6879b | 1326 | |
a65f4a57 MH |
1327 | result->ie_len = pos - (u8 *)(result + 1); |
1328 | ||
067ffa26 JM |
1329 | tmp = os_realloc_array(res->res, res->num + 1, |
1330 | sizeof(struct wpa_scan_res *)); | |
a65f4a57 MH |
1331 | if (tmp == NULL) { |
1332 | os_free(result); | |
1333 | return; | |
1334 | } | |
1335 | tmp[res->num++] = result; | |
1336 | res->res = tmp; | |
6fc6879b JM |
1337 | } |
1338 | ||
a65f4a57 MH |
1339 | struct wpa_scan_results * |
1340 | wpa_driver_bsd_get_scan_results2(void *priv) | |
6fc6879b | 1341 | { |
6fc6879b | 1342 | struct ieee80211req_scan_result *sr; |
a65f4a57 MH |
1343 | struct wpa_scan_results *res; |
1344 | int len, rest; | |
1345 | uint8_t buf[24*1024], *pos; | |
6fc6879b | 1346 | |
e1b1309b | 1347 | len = get80211var(priv, IEEE80211_IOC_SCAN_RESULTS, buf, 24*1024); |
6fc6879b | 1348 | if (len < 0) |
a65f4a57 MH |
1349 | return NULL; |
1350 | ||
1351 | res = os_zalloc(sizeof(*res)); | |
1352 | if (res == NULL) | |
1353 | return NULL; | |
6fc6879b | 1354 | |
a65f4a57 MH |
1355 | pos = buf; |
1356 | rest = len; | |
1357 | while (rest >= sizeof(struct ieee80211req_scan_result)) { | |
1358 | sr = (struct ieee80211req_scan_result *)pos; | |
1359 | wpa_driver_bsd_add_scan_entry(res, sr); | |
1360 | pos += sr->isr_len; | |
1361 | rest -= sr->isr_len; | |
6fc6879b | 1362 | } |
6fc6879b | 1363 | |
a65f4a57 MH |
1364 | wpa_printf(MSG_DEBUG, "Received %d bytes of scan results (%lu BSSes)", |
1365 | len, (unsigned long)res->num); | |
6fc6879b | 1366 | |
a65f4a57 | 1367 | return res; |
6fc6879b JM |
1368 | } |
1369 | ||
86b24ea9 | 1370 | static int wpa_driver_bsd_capa(struct bsd_driver_data *drv) |
42f34a9b | 1371 | { |
c6611ed9 MH |
1372 | #ifdef IEEE80211_IOC_DEVCAPS |
1373 | /* kernel definitions copied from net80211/ieee80211_var.h */ | |
1374 | #define IEEE80211_CIPHER_WEP 0 | |
1375 | #define IEEE80211_CIPHER_TKIP 1 | |
1376 | #define IEEE80211_CIPHER_AES_CCM 3 | |
1377 | #define IEEE80211_CRYPTO_WEP (1<<IEEE80211_CIPHER_WEP) | |
1378 | #define IEEE80211_CRYPTO_TKIP (1<<IEEE80211_CIPHER_TKIP) | |
1379 | #define IEEE80211_CRYPTO_AES_CCM (1<<IEEE80211_CIPHER_AES_CCM) | |
1380 | #define IEEE80211_C_HOSTAP 0x00000400 /* CAPABILITY: HOSTAP avail */ | |
1381 | #define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */ | |
1382 | #define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */ | |
1383 | struct ieee80211_devcaps_req devcaps; | |
1384 | ||
1385 | if (get80211var(drv, IEEE80211_IOC_DEVCAPS, &devcaps, | |
1386 | sizeof(devcaps)) < 0) { | |
1387 | wpa_printf(MSG_ERROR, "failed to IEEE80211_IOC_DEVCAPS: %s", | |
1388 | strerror(errno)); | |
1389 | return -1; | |
1390 | } | |
1391 | ||
1392 | wpa_printf(MSG_DEBUG, "%s: drivercaps=0x%08x,cryptocaps=0x%08x", | |
1393 | __func__, devcaps.dc_drivercaps, devcaps.dc_cryptocaps); | |
1394 | ||
1395 | if (devcaps.dc_drivercaps & IEEE80211_C_WPA1) | |
1396 | drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA | | |
1397 | WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK; | |
1398 | if (devcaps.dc_drivercaps & IEEE80211_C_WPA2) | |
1399 | drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA2 | | |
1400 | WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK; | |
1401 | ||
1402 | if (devcaps.dc_cryptocaps & IEEE80211_CRYPTO_WEP) | |
1403 | drv->capa.enc |= WPA_DRIVER_CAPA_ENC_WEP40 | | |
1404 | WPA_DRIVER_CAPA_ENC_WEP104; | |
1405 | if (devcaps.dc_cryptocaps & IEEE80211_CRYPTO_TKIP) | |
1406 | drv->capa.enc |= WPA_DRIVER_CAPA_ENC_TKIP; | |
1407 | if (devcaps.dc_cryptocaps & IEEE80211_CRYPTO_AES_CCM) | |
1408 | drv->capa.enc |= WPA_DRIVER_CAPA_ENC_CCMP; | |
1409 | ||
1410 | if (devcaps.dc_drivercaps & IEEE80211_C_HOSTAP) | |
1411 | drv->capa.flags |= WPA_DRIVER_FLAGS_AP; | |
1412 | #undef IEEE80211_CIPHER_WEP | |
1413 | #undef IEEE80211_CIPHER_TKIP | |
1414 | #undef IEEE80211_CIPHER_AES_CCM | |
1415 | #undef IEEE80211_CRYPTO_WEP | |
1416 | #undef IEEE80211_CRYPTO_TKIP | |
1417 | #undef IEEE80211_CRYPTO_AES_CCM | |
1418 | #undef IEEE80211_C_HOSTAP | |
1419 | #undef IEEE80211_C_WPA1 | |
1420 | #undef IEEE80211_C_WPA2 | |
1421 | #else /* IEEE80211_IOC_DEVCAPS */ | |
42f34a9b MH |
1422 | /* For now, assume TKIP, CCMP, WPA, WPA2 are supported */ |
1423 | drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA | | |
1424 | WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK | | |
1425 | WPA_DRIVER_CAPA_KEY_MGMT_WPA2 | | |
1426 | WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK; | |
1427 | drv->capa.enc = WPA_DRIVER_CAPA_ENC_WEP40 | | |
1428 | WPA_DRIVER_CAPA_ENC_WEP104 | | |
1429 | WPA_DRIVER_CAPA_ENC_TKIP | | |
1430 | WPA_DRIVER_CAPA_ENC_CCMP; | |
c6611ed9 MH |
1431 | drv->capa.flags |= WPA_DRIVER_FLAGS_AP; |
1432 | #endif /* IEEE80211_IOC_DEVCAPS */ | |
88487b0e MH |
1433 | #ifdef IEEE80211_IOC_SCAN_MAX_SSID |
1434 | drv->capa.max_scan_ssids = IEEE80211_IOC_SCAN_MAX_SSID; | |
c6611ed9 MH |
1435 | #else /* IEEE80211_IOC_SCAN_MAX_SSID */ |
1436 | drv->capa.max_scan_ssids = 1; | |
88487b0e | 1437 | #endif /* IEEE80211_IOC_SCAN_MAX_SSID */ |
c6611ed9 MH |
1438 | drv->capa.auth = WPA_DRIVER_AUTH_OPEN | |
1439 | WPA_DRIVER_AUTH_SHARED | | |
1440 | WPA_DRIVER_AUTH_LEAP; | |
42f34a9b MH |
1441 | return 0; |
1442 | } | |
1443 | ||
6fc6879b JM |
1444 | static void * |
1445 | wpa_driver_bsd_init(void *ctx, const char *ifname) | |
1446 | { | |
1447 | #define GETPARAM(drv, param, v) \ | |
1448 | (((v) = get80211param(drv, param)) != -1) | |
86b24ea9 | 1449 | struct bsd_driver_data *drv; |
6fc6879b JM |
1450 | |
1451 | drv = os_zalloc(sizeof(*drv)); | |
1452 | if (drv == NULL) | |
1453 | return NULL; | |
1454 | /* | |
1455 | * NB: We require the interface name be mappable to an index. | |
1456 | * This implies we do not support having wpa_supplicant | |
1457 | * wait for an interface to appear. This seems ok; that | |
1458 | * doesn't belong here; it's really the job of devd. | |
1459 | */ | |
1460 | drv->ifindex = if_nametoindex(ifname); | |
1461 | if (drv->ifindex == 0) { | |
1462 | wpa_printf(MSG_DEBUG, "%s: interface %s does not exist", | |
1463 | __func__, ifname); | |
1464 | goto fail1; | |
1465 | } | |
1466 | drv->sock = socket(PF_INET, SOCK_DGRAM, 0); | |
1467 | if (drv->sock < 0) | |
1468 | goto fail1; | |
1469 | drv->route = socket(PF_ROUTE, SOCK_RAW, 0); | |
1470 | if (drv->route < 0) | |
1471 | goto fail; | |
1472 | eloop_register_read_sock(drv->route, | |
1473 | wpa_driver_bsd_event_receive, ctx, drv); | |
1474 | ||
1475 | drv->ctx = ctx; | |
1476 | os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname)); | |
1477 | ||
42f34a9b | 1478 | /* Down interface during setup. */ |
e1b1309b | 1479 | if (bsd_ctrl_iface(drv, 0) < 0) |
42f34a9b MH |
1480 | goto fail; |
1481 | ||
6fc6879b JM |
1482 | if (!GETPARAM(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming)) { |
1483 | wpa_printf(MSG_DEBUG, "%s: failed to get roaming state: %s", | |
1484 | __func__, strerror(errno)); | |
1485 | goto fail; | |
1486 | } | |
1487 | if (!GETPARAM(drv, IEEE80211_IOC_PRIVACY, drv->prev_privacy)) { | |
1488 | wpa_printf(MSG_DEBUG, "%s: failed to get privacy state: %s", | |
1489 | __func__, strerror(errno)); | |
1490 | goto fail; | |
1491 | } | |
1492 | if (!GETPARAM(drv, IEEE80211_IOC_WPA, drv->prev_wpa)) { | |
1493 | wpa_printf(MSG_DEBUG, "%s: failed to get wpa state: %s", | |
1494 | __func__, strerror(errno)); | |
1495 | goto fail; | |
1496 | } | |
5197244a | 1497 | |
42f34a9b | 1498 | if (wpa_driver_bsd_capa(drv)) |
6fc6879b | 1499 | goto fail; |
4a867032 | 1500 | |
6fc6879b JM |
1501 | return drv; |
1502 | fail: | |
1503 | close(drv->sock); | |
1504 | fail1: | |
1505 | os_free(drv); | |
1506 | return NULL; | |
1507 | #undef GETPARAM | |
1508 | } | |
1509 | ||
1510 | static void | |
1511 | wpa_driver_bsd_deinit(void *priv) | |
1512 | { | |
86b24ea9 | 1513 | struct bsd_driver_data *drv = priv; |
6fc6879b | 1514 | |
4a867032 | 1515 | wpa_driver_bsd_set_wpa(drv, 0); |
6fc6879b JM |
1516 | eloop_unregister_read_sock(drv->route); |
1517 | ||
1518 | /* NB: mark interface down */ | |
e1b1309b | 1519 | bsd_ctrl_iface(drv, 0); |
6fc6879b JM |
1520 | |
1521 | wpa_driver_bsd_set_wpa_internal(drv, drv->prev_wpa, drv->prev_privacy); | |
1522 | if (set80211param(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming) < 0) | |
1523 | wpa_printf(MSG_DEBUG, "%s: failed to restore roaming state", | |
1524 | __func__); | |
1525 | ||
42f34a9b MH |
1526 | if (drv->sock_xmit != NULL) |
1527 | l2_packet_deinit(drv->sock_xmit); | |
6fc6879b JM |
1528 | (void) close(drv->route); /* ioctl socket */ |
1529 | (void) close(drv->sock); /* event socket */ | |
1530 | os_free(drv); | |
1531 | } | |
1532 | ||
42f34a9b MH |
1533 | static int |
1534 | wpa_driver_bsd_get_capa(void *priv, struct wpa_driver_capa *capa) | |
1535 | { | |
86b24ea9 | 1536 | struct bsd_driver_data *drv = priv; |
42f34a9b MH |
1537 | |
1538 | os_memcpy(capa, &drv->capa, sizeof(*capa)); | |
1539 | return 0; | |
1540 | } | |
e1b1309b | 1541 | #endif /* HOSTAPD */ |
42f34a9b | 1542 | |
6fc6879b JM |
1543 | |
1544 | const struct wpa_driver_ops wpa_driver_bsd_ops = { | |
1545 | .name = "bsd", | |
66d4085f | 1546 | .desc = "BSD 802.11 support", |
e1b1309b MH |
1547 | #ifdef HOSTAPD |
1548 | .hapd_init = bsd_init, | |
1549 | .hapd_deinit = bsd_deinit, | |
1550 | .set_privacy = bsd_set_privacy, | |
1551 | .get_seqnum = bsd_get_seqnum, | |
1552 | .flush = bsd_flush, | |
e1b1309b MH |
1553 | .read_sta_data = bsd_read_sta_driver_data, |
1554 | .sta_disassoc = bsd_sta_disassoc, | |
1555 | .sta_deauth = bsd_sta_deauth, | |
e1b1309b | 1556 | #else /* HOSTAPD */ |
6fc6879b JM |
1557 | .init = wpa_driver_bsd_init, |
1558 | .deinit = wpa_driver_bsd_deinit, | |
1559 | .get_bssid = wpa_driver_bsd_get_bssid, | |
1560 | .get_ssid = wpa_driver_bsd_get_ssid, | |
6fc6879b | 1561 | .set_countermeasures = wpa_driver_bsd_set_countermeasures, |
c2e8d0a0 | 1562 | .scan2 = wpa_driver_bsd_scan, |
a65f4a57 | 1563 | .get_scan_results2 = wpa_driver_bsd_get_scan_results2, |
6fc6879b | 1564 | .deauthenticate = wpa_driver_bsd_deauthenticate, |
6fc6879b | 1565 | .associate = wpa_driver_bsd_associate, |
42f34a9b | 1566 | .get_capa = wpa_driver_bsd_get_capa, |
c5121837 | 1567 | #endif /* HOSTAPD */ |
6db1602d | 1568 | .set_freq = bsd_set_freq, |
e1b1309b MH |
1569 | .set_key = bsd_set_key, |
1570 | .set_ieee8021x = bsd_set_ieee8021x, | |
1571 | .hapd_set_ssid = bsd_set_ssid, | |
1572 | .hapd_get_ssid = bsd_get_ssid, | |
1573 | .hapd_send_eapol = bsd_send_eapol, | |
1574 | .sta_set_flags = bsd_set_sta_authorized, | |
88487b0e | 1575 | .set_generic_elem = bsd_set_opt_ie, |
e1b1309b | 1576 | }; |